28899000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:72

約数の個数: 288

約数和(自身を含む): 111337200

約数和(自身を除く): 82438200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 25, 26, 30, 36, 38, 39, 40, 45, 50, 52, 57, 60, 65, 72, 75, 76, 78, 90, 95, 100, 104, 114, 117, 120, 125, 130, 150, 152, 156, 169, 171, 180, 190, 195, 200, 225, 228, 234, 247, 250, 260, 285, 300, 312, 325, 338, 342, 360, 375, 380, 390, 450, 456, 468, 475, 494, 500, 507, 520, 570, 585, 600, 650, 676, 684, 741, 750, 760, 780, 845, 855, 900, 936, 950, 975, 988, 1000, 1014, 1125, 1140, 1170, 1235, 1300, 1352, 1368, 1425, 1482, 1500, 1521, 1560, 1625, 1690, 1710, 1800, 1900, 1950, 1976, 2028, 2223, 2250, 2280, 2340, 2375, 2470, 2535, 2600, 2850, 2925, 2964, 3000, 3042, 3211, 3250, 3380, 3420, 3705, 3800, 3900, 4056, 4225, 4275, 4446, 4500, 4680, 4750, 4875, 4940, 5070, 5700, 5850, 5928, 6084, 6175, 6422, 6500, 6760, 6840, 7125, 7410, 7605, 7800, 8450, 8550, 8892, 9000, 9500, 9633, 9750, 9880, 10140, 11115, 11400, 11700, 12168, 12350, 12675, 12844, 13000, 14250, 14625, 14820, 15210, 16055, 16900, 17100, 17784, 18525, 19000, 19266, 19500, 20280, 21125, 21375, 22230, 23400, 24700, 25350, 25688, 28500, 28899, 29250, 29640, 30420, 30875, 32110, 33800, 34200, 37050, 38025, 38532, 39000, 42250, 42750, 44460, 48165, 49400, 50700, 55575, 57000, 57798, 58500, 60840, 61750, 63375, 64220, 74100, 76050, 77064, 80275, 84500, 85500, 88920, 92625, 96330, 101400, 111150, 115596, 117000, 123500, 126750, 128440, 144495, 148200, 152100, 160550, 169000, 171000, 185250, 190125, 192660, 222300, 231192, 240825, 247000, 253500, 277875, 288990, 304200, 321100, 370500, 380250, 385320, 401375, 444600, 481650, 507000, 555750, 577980, 642200, 722475, 741000, 760500, 802750, 963300, 1111500, 1155960, 1204125, 1444950, 1521000, 1605500, 1926600, 2223000, 2408250, 2889900, 3211000, 3612375, 4816500, 5779800, 7224750, 9633000, 14449500, 28899000]

約数ペア:

[(1, 28899000), (2, 14449500), (3, 9633000), (4, 7224750), (5, 5779800), (6, 4816500), (8, 3612375), (9, 3211000), (10, 2889900), (12, 2408250), (13, 2223000), (15, 1926600), (18, 1605500), (19, 1521000), (20, 1444950), (24, 1204125), (25, 1155960), (26, 1111500), (30, 963300), (36, 802750), (38, 760500), (39, 741000), (40, 722475), (45, 642200), (50, 577980), (52, 555750), (57, 507000), (60, 481650), (65, 444600), (72, 401375), (75, 385320), (76, 380250), (78, 370500), (90, 321100), (95, 304200), (100, 288990), (104, 277875), (114, 253500), (117, 247000), (120, 240825), (125, 231192), (130, 222300), (150, 192660), (152, 190125), (156, 185250), (169, 171000), (171, 169000), (180, 160550), (190, 152100), (195, 148200), (200, 144495), (225, 128440), (228, 126750), (234, 123500), (247, 117000), (250, 115596), (260, 111150), (285, 101400), (300, 96330), (312, 92625), (325, 88920), (338, 85500), (342, 84500), (360, 80275), (375, 77064), (380, 76050), (390, 74100), (450, 64220), (456, 63375), (468, 61750), (475, 60840), (494, 58500), (500, 57798), (507, 57000), (520, 55575), (570, 50700), (585, 49400), (600, 48165), (650, 44460), (676, 42750), (684, 42250), (741, 39000), (750, 38532), (760, 38025), (780, 37050), (845, 34200), (855, 33800), (900, 32110), (936, 30875), (950, 30420), (975, 29640), (988, 29250), (1000, 28899), (1014, 28500), (1125, 25688), (1140, 25350), (1170, 24700), (1235, 23400), (1300, 22230), (1352, 21375), (1368, 21125), (1425, 20280), (1482, 19500), (1500, 19266), (1521, 19000), (1560, 18525), (1625, 17784), (1690, 17100), (1710, 16900), (1800, 16055), (1900, 15210), (1950, 14820), (1976, 14625), (2028, 14250), (2223, 13000), (2250, 12844), (2280, 12675), (2340, 12350), (2375, 12168), (2470, 11700), (2535, 11400), (2600, 11115), (2850, 10140), (2925, 9880), (2964, 9750), (3000, 9633), (3042, 9500), (3211, 9000), (3250, 8892), (3380, 8550), (3420, 8450), (3705, 7800), (3800, 7605), (3900, 7410), (4056, 7125), (4225, 6840), (4275, 6760), (4446, 6500), (4500, 6422), (4680, 6175), (4750, 6084), (4875, 5928), (4940, 5850), (5070, 5700)]